package com.wpx.log.core.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class BodyReaderFilter implements Filter {

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest)request;
		String method = req.getMethod();
		String contentType = request.getContentType();
		if(contentType != null && contentType.contains("application/json") && "POST".equalsIgnoreCase(method)) {
			request = new BodyReaderHttpServletRequestWrapper((HttpServletRequest)request);

		}
		chain.doFilter(request, response);
	}

	public void init(FilterConfig filterConfig) throws ServletException {
		
	}

	public void destroy() {
		
	}

}
